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-rw-r--r--arch/arm64/kernel/cpufeature.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 7e76e1fda2a1..a77315b338e6 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2076,8 +2076,10 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap)
* Clear the tags in the zero page. This needs to be done via the
* linear map which has the Tagged attribute.
*/
- if (!test_and_set_bit(PG_mte_tagged, &ZERO_PAGE(0)->flags))
+ if (try_page_mte_tagging(ZERO_PAGE(0))) {
mte_clear_page_tags(lm_alias(empty_zero_page));
+ set_page_mte_tagged(ZERO_PAGE(0));
+ }
kasan_init_hw_tags_cpu();
}